Apple has filed for a patent dubbed “Hand Tracking Based on Wrists Rotation and Arm Movement.” It involves methods for interactions between the Apple Watch and the Vision Pro.
About the patent filing
The patent filing generally relates to systems, methods, and electronic devices for tracking movement of a hand based on determining wrist rotation and arm movement using one or more sensor data signals. Apple notes that hand-based input systems for identifying user input and displaying content based on the hand-based user input may be improved with respect to providing means for users to create, edit, view, or otherwise use content in an extended reality (XR) environment, especially when detecting a scrolling movement.
For example, placement mechanics for hand-based input systems may track hand motion relative to a user’s body for three-dimensional (3D) object motion. Apple says that, however, existing systems using placement mechanics may exhibit poor scroll sensitivity due to poor interpretation of wrist rotation versus arm movements. The tech giant wants to improve this on the Apple Watch.
Summary of the patent filing
Here’s Apple’s abstract of the patent filing: “Various implementations track hand motion to interpret a scroll movement. For example, an example process may include obtaining sensor data associated with a hand via one or more sensors in a physical environment. The process may further include determining positional data corresponding to three-dimensional (3D) positions of two points on the hand based on the sensor data.
“The process may further include determining whether a movement of the hand includes a wrist rotation associated with the hand rotating about the wrist, an arm motion associated with movement of the arm, or a combination of the wrist rotation and the arm motion. The process may further include determining the movement of the hand as a user interaction event based on the positional data and whether the movement of the hand includes the wrist rotation, the arm motion, or a combination of the wrist rotation and the arm motion.”
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